package j02block;

public class J1 {
    public static void main(String[] args) {
        int a = 7;
        //局部代码块
        {
            int b = 8;
            System.out.println("a = " + a);
        }
//        b.soutv
        switch (1){
            case 1:
                {
                    int x1 = 7;
                }
                break;
            case 2:
                {
                    int x1 = 88;
                }
                break;
        }
    }
}
